.top {
  height: 0.89rem;
  overflow: auto;
}
.top .logo_img {
  float: left;
  width: 4rem;
  margin-top: 0.07rem;
  margin-left: 0.09rem;
}
.top .menu_img {
  float: right;
  width: 0.69rem;
  margin-top: 0.2rem;
  margin-right: 0.18rem;
}
.mengceng_div {
  display: none;
  position: fixed;
  background-color: #000000;
  opacity: 0.5;
  width: 100%;
  z-index: 1;
}
.menu_div {
  position: fixed;
  top: 0.89rem;
  right: 0;
  z-index: 2;
  display: none;
}
.menu_div ul {
  padding: 0;
  margin: 0;
}
.menu_div ul a {
  color: #000000;
  text-decoration: none;
}
.menu_div ul li {
  list-style-type: none;
  font-size: 0.3rem;
  width: 3.22rem;
  background-color: #ffffff;
  height: 1rem;
  text-align: center;
  line-height: 1rem;
  border-top-style: solid;
  border-color: #a6a6a6;
  border-width: 0.005rem;
}
.menu_div ul li:nth-last-of-type(1) {
  border-bottom-style: solid;
  border-color: #a6a6a6;
  border-width: 0.005rem;
}
